Strength for keepers is not needed that much.
Aerobic is what increased Jumping, and Reflexes.
Goalkeeping is obviously Aerial, Handling, Kicking, Throwing and 1 on 1.
Tactics will be usefull for Anticipation, Decisions, Positing, Command Of Area.
Ball Control is not needed. Mainly for Attacking players.
Defending will only be good for Concentration..
Attacking and Shooting not needed. Set Pieces not needed.
In Short, get a 19 or 20 goalkeeping coach, set your sliders to:
Targeted GK Training. Medium Workload.
*Note, I am a part time club, so my own training is much reduced, this is the game tells me a Full-Time training workload would be.
Full Time GK Traning, with a Heavy Workload
*Note, you could drag tactics back 1 notch and put defending up 1.
Hope this helps.